public static int CreateSideTriangles2(OutputMesh builder,
IMeshIndicesArray inside, IMeshIndicesArray outside,
int intTrIndex)
{
Vector3[] vs = builder.GetVertices();
int outerEdgeLength = outside.Count();
int innerEdgeLength = inside.Count();
int outerIndex = 0;
int innerIndex = 0;
float dtInner = innerEdgeLength > 1 ? 1.0f / (innerEdgeLength - 1) : 1;
float dtOuter = outerEdgeLength > 1 ? 1.0f / (outerEdgeLength - 1) : 1;
float kIn = 0;
float kOut = 1;
if (outerEdgeLength > 1 && innerEdgeLength > 1)
{
Vector3 A = vs[outside.GetIndex()];
Vector3 B = vs[outside.GetNext()];
Vector3 C = vs[inside.GetIndex()];
Vector3 D = vs[outside.GetAtIndex(outerEdgeLength - 2)];
Vector3 E = vs[outside.GetAtIndex(outerEdgeLength - 1)];
Vector3 F = vs[inside.GetAtIndex(innerEdgeLength - 1)];
kIn = Vector3.Dot(C - A, B - A) / Vector3.Dot(B - A, B - A);
kOut = Vector3.Dot(F - D, E - D) / Vector3.Dot(E - D, E - D);
float rect = 1.0f / (outerEdgeLength - 1);
kIn = kIn * rect;
kOut = 1 - (1 - kOut) * rect;
}
while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
{
if (innerIndex < innerEdgeLength - 1)
{
if (outerIndex < outerEdgeLength - 1)
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
int id4 = inside.GetNext();
float tOuter = dtOuter * (outerIndex);
float tInner = dtInner * (innerIndex) * (kOut - kIn) + kIn;
if (tInner <= tOuter)
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
else
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id4 = inside.GetNext();
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
intTrIndex = builder.WriteTriangle(
intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
return(intTrIndex);
}
public static int CreateSideTriangles(OutputMesh builder,
IMeshIndicesArray inside, IMeshIndicesArray outside,
int intTrIndex)
{
/*Vector3[] vs = builder.GetVertices();
* int outerEdgeLength = outside.Count();
* int innerEdgeLength = inside.Count();
* int outerIndex = 0;
* int innerIndex = 0;
*
* while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
* {
* if (innerIndex < innerEdgeLength - 1)
* {
* if (outerIndex < outerEdgeLength - 1)
* {
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id3 = outside.GetNext();
* int id4 = inside.GetNext();
*
* Vector3 P1 = vs[id1];
* Vector3 P2 = vs[id2];
* Vector3 P3 = vs[id3];
* Vector3 P4 = vs[id4];
*
* float dInner = (P4 - P1).sqrMagnitude;
* float dOuter = (P3 - P2).sqrMagnitude;
*
* if (dInner < dOuter) {
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
* innerIndex++;
* inside.Move();
* } else {
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
* outerIndex++;
* outside.Move();
*
* }
* }
* else
* {
*
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id4 = inside.GetNext();
*
* intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
* innerIndex++;
* inside.Move();
* }
* }
* else
* {
* int id1 = outerIndex;
* int id2 = innerIndex;
* int id3 = outside.GetNext();
* intTrIndex = builder.WriteTriangle(
* intTrIndex, id1, id3, id2);
* outerIndex++;
* outside.Move();
* }
* }
*
* return intTrIndex;*/
Vector3[] vs = builder.GetVertices();
int outerEdgeLength = outside.Count();
int innerEdgeLength = inside.Count();
int outerIndex = 0;
int innerIndex = 0;
while (innerIndex < innerEdgeLength - 1 || outerIndex < outerEdgeLength - 1)
{
if (innerIndex < innerEdgeLength - 1)
{
if (outerIndex < outerEdgeLength - 1)
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
int id4 = inside.GetNext();
Vector3 P1 = vs[id1];
Vector3 P2 = vs[id2];
Vector3 P3 = vs[id3];
Vector3 P4 = vs[id4];
float dInner = (P4 - P1).sqrMagnitude;
float dOuter = (P3 - P2).sqrMagnitude;
if (dInner <= dOuter)
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
else
{
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id4 = inside.GetNext();
intTrIndex = builder.WriteTriangle(intTrIndex, id1, id4, id2);
innerIndex++;
inside.Move();
}
}
else
{
int id1 = outside.GetIndex();
int id2 = inside.GetIndex();
int id3 = outside.GetNext();
intTrIndex = builder.WriteTriangle(
intTrIndex, id1, id3, id2);
outerIndex++;
outside.Move();
}
}
return(intTrIndex);
}